加码京东方核心供应商，凯伦股份再次增持佳智彩18%股权

Group 1 - The core viewpoint of the article is that Kairun Co., Ltd. has significantly increased its stake in Suzhou Jiazhi Optoelectronics Technology Co., Ltd. to 69%, enhancing its control over the company and marking its entry into the display industry [1][3]. Group 2 - In April 2025, Kairun Co., Ltd. acquired 51% of Jiazhi Optoelectronics for 483 million yuan, establishing a dual business model of "building waterproofing + display equipment" [1]. - In November 2025, Kairun Co., Ltd. announced an additional purchase of 18% of Jiazhi Optoelectronics for 171.60 million yuan, bringing its total ownership to 69% [3]. - The acquisition process was completed with the necessary business registration changes and the issuance of a new business license [3]. - Jiazhi Optoelectronics, founded in November 2017 with a registered capital of 12.5 million yuan, specializes in new display technologies and semiconductor testing systems [3]. - The company has been actively involved in projects for BOE Technology Group, providing essential equipment for display manufacturing [4].